Czech Klara Zakopalova became the first woman to reach the last eight of the annual indoor tournament after upsetting eighth-seeded compatriot Lucie Safarova 6-4 6-4.

Denmark's former world number one Caroline Wozniacki, seeded third, meets Poland's Urszula Radwanska later on Wednesday while Australian top seed Samantha Stosur begins her action on Thursday against France's Alize Cornet.

MUMBAI The lack of sting in England's bowling on Thursday raised doubts about whether the Wankhede Stadium pitch has eased up in favour of the batsmen but India wicketkeeper Parthiv Patel feels the difference was due to the quality of the hosts' attack.